Dong-Ki Lee (Division of Gastroenterology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University)

Anthony Yuen Bun Teoh (Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong)

Yoshifumi Nakamura, Ichiro Yasuda, Nobuhiko Hayashi (University of Toyama, Toyama, Japan)

Tatsuya Ishii, Toshifumi Kin, Akio Katanuma (Center for Gastroenterology, Teine Keijinkai Hospital)

Noriyuki Hirakawa, Kenjirou Yamamoto, Takao Itoi (Tokyo medical University, Japan)

Kosaku Morimoto, Kazuyuki Matsumoto, Hironari Kato (Department of Gastroenterology, Okayama University Hospital, Japan)

Yoshihide Kanno^1,2, Kei Ito^1,2, Yujiro Kawakami^1,3 (1.MiPS Study Group, Japan, 2.Department of Gastroenterology, Sendai City Medical Center, Sendai, Japan, 3.Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine)

Kazunaga Ishigaki¹, Yousuke Nakai^2,3, Mitsuhiro Fujishiro² (1.Department of Chemotherapy, Graduate School of Medicine, The University of Tokyo, 2.Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, 3.Department of Endoscopy and Endoscopic Surgery, Graduate School of Medicine, The University of Tokyo)

Daishi Kabemura, Toshio Fujisawa, Hiroyuki Isayama (Juntendo University Tokyo, Japan)

Takeshi Ogura, Nobu Nishioka, Akira Miyano (Osaka Medical and Pharmaceutical University, 2nd Department of Internal Medicine)

Takuji Iwashita, Shinya Uemura, Masahito Shimizu (First Dept. of Internal Medicine, Gifu University Hospital, Gifu, Japan)

Masahiro Itonaga, Yasunobu Yamashita, Masayuki Kitano (Second Department of Internal Medicine, Wakayama Medical University)